:root{--bg:#050610;--surface:#0a0d16;--panel:#10151f;--ink:#f4f5f6;--soft:#c5cbd2;--muted:#8f99a6;--gold:#d4af37;--pale:#f1e6a3;--orange:#f15a2b;--green:#39d99a;--amber:#f2c768;--red:#ff6971;--line:rgba(241,230,163,.16);--max:1200px;--radius:22px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(1100px 550px at 20% -10%,rgba(212,175,55,.13),transparent 60%),linear-gradient(180deg,var(--bg),#020309);color:var(--ink);font:16px/1.6 Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}a{color:inherit}.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;z-index:20;background:white;color:black;padding:10px}.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}.nav{position:sticky;top:0;z-index:10;background:rgba(5,6,16,.9);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.navin{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{text-decoration:none;font-weight:800;letter-spacing:.13em;color:var(--pale)}.links{display:flex;align-items:center;gap:18px}.links a{text-decoration:none;color:var(--muted);font-size:.9rem}.links a:hover,.links a[aria-current=page]{color:var(--pale)}.menu{display:none;background:none;border:1px solid var(--line);color:var(--pale);border-radius:10px;padding:8px 11px}.hero{padding:72px 0 42px}.heroGrid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:32px;align-items:end}.kicker,.chip{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:7px 11px;color:var(--pale);font-size:.73rem;text-transform:uppercase;letter-spacing:.1em}.hero h1{font-size:clamp(2.5rem,6vw,5.6rem);line-height:.98;letter-spacing:-.055em;margin:18px 0;max-width:870px}.hero h1 span{color:var(--gold)}.lead{font-size:1.15rem;color:var(--soft);max-width:760px}.heroCard,.card{background:linear-gradient(180deg,rgba(16,21,31,.96),rgba(7,10,17,.96));border:1px solid var(--line);border-radius:var(--radius);padding:22px}.heroCard b{color:var(--pale)}.heroCard p{color:var(--soft)}.choice{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:28px 0 8px}.choice a{border:1px solid var(--line);border-radius:18px;padding:18px;text-decoration:none;background:rgba(255,255,255,.02)}.choice a strong{display:block;color:var(--pale);margin-bottom:5px}.choice a.active{border-color:var(--gold);background:rgba(212,175,55,.08)}.choice a:hover{transform:translateY(-2px)}.mainGrid{display:grid;grid-template-columns:250px minmax(0,1fr);gap:30px;padding:20px 0 70px}.rail{position:sticky;top:94px;align-self:start}.rail ol{list-style:none;padding:0;margin:0}.rail button{width:100%;text-align:left;border:0;border-left:2px solid rgba(255,255,255,.1);background:none;color:var(--muted);padding:11px 14px;cursor:pointer}.rail button.active{color:var(--pale);border-color:var(--gold);background:linear-gradient(90deg,rgba(212,175,55,.09),transparent)}.rail small{display:block;margin-top:20px;color:var(--muted)}.stage{display:none}.stage.active{display:block;animation:up .25s ease}@keyframes up{from{opacity:.25;transform:translateY(5px)}to{opacity:1;transform:none}}.stage h2{font-size:clamp(1.8rem,3vw,3rem);line-height:1.1;margin:0 0 8px}.intro{color:var(--muted);max-width:720px;margin:0 0 24px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.grid3{grid-template-columns:repeat(3,minmax(0,1fr))}.card h3{margin:0 0 8px}.card p,.card li{color:var(--soft)}.card ul{padding-left:18px}.meta{padding-top:12px;margin-top:14px;border-top:1px solid rgba(255,255,255,.07);font-size:.82rem;color:var(--muted)}.label{display:inline-flex;border-radius:999px;padding:4px 8px;font-size:.7rem;letter-spacing:.07em;text-transform:uppercase;color:var(--green);background:rgba(57,217,154,.1);border:1px solid rgba(57,217,154,.2)}.label.open{color:var(--amber);background:rgba(242,199,104,.08);border-color:rgba(242,199,104,.2)}.callout{margin:20px 0;padding:18px 20px;border-left:3px solid var(--gold);border-radius:0 14px 14px 0;background:rgba(212,175,55,.07);color:var(--soft)}.callout b{color:var(--pale)}.question{font-size:clamp(1.5rem,4vw,2.8rem);font-weight:700;line-height:1.2;margin:12px 0}.field{width:100%;min-height:110px;resize:vertical;background:#050811;border:1px solid var(--line);color:var(--ink);padding:16px;border-radius:14px;font:inherit}.pills{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.pill{border:1px solid var(--line);color:var(--muted);background:#090d15;border-radius:999px;padding:8px 11px;cursor:pointer}.pill.selected{border-color:var(--gold);color:var(--pale);background:rgba(212,175,55,.09)}.meter{height:8px;background:#252c38;border-radius:99px;overflow:hidden;margin:10px 0}.meter i{display:block;height:100%;background:linear-gradient(90deg,var(--gold),var(--green))}.table{width:100%;border-collapse:collapse;background:rgba(10,13,22,.8);border:1px solid var(--line);border-radius:16px;overflow:hidden}.table th,.table td{text-align:left;padding:13px;border-bottom:1px solid rgba(255,255,255,.07);vertical-align:top}.table th{font-size:.75rem;text-transform:uppercase;letter-spacing:.07em;color:var(--pale)}.actions{display:flex;justify-content:space-between;gap:12px;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:999px;padding:11px 17px;background:#0a0e17;color:var(--pale);cursor:pointer;text-decoration:none}.btn.primary{background:var(--orange);border-color:var(--orange);color:white}.btn:disabled{opacity:.4}.result{white-space:pre-wrap;overflow:auto;background:#02050a;border:1px solid var(--line);border-radius:14px;padding:16px;color:#b9f2d7;max-height:380px}.disclaimer{color:var(--muted);font-size:.83rem}.footer{border-top:1px solid var(--line);padding:28px 0 50px;color:var(--muted)}.footer b{color:var(--pale)}
@media(max-width:880px){.heroGrid,.mainGrid,.grid,.grid3{grid-template-columns:1fr}.rail{position:static;overflow:auto}.rail ol{display:flex}.rail button{white-space:nowrap;border-left:0;border-bottom:2px solid rgba(255,255,255,.1)}.choice{grid-template-columns:1fr}.links{display:none;position:absolute;left:20px;right:20px;top:70px;background:#080b13;border:1px solid var(--line);border-radius:16px;padding:16px;flex-direction:column;align-items:flex-start}.links.open{display:flex}.menu{display:block}.table{display:block;overflow:auto}}
/* Interstellar immersion system */
.cosmos{position:relative;isolation:isolate;overflow:hidden}.cosmos>.stars{position:absolute;inset:0;width:100%;height:100%;z-index:-2;pointer-events:none}.cosmos::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(rgba(255,255,255,.016) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.016) 1px,transparent 1px);background-size:54px 54px;mask-image:linear-gradient(90deg,#000,rgba(0,0,0,.18))}.cosmos::after{content:"";position:absolute;width:720px;height:720px;right:-220px;top:-230px;border-radius:50%;z-index:-1;background:radial-gradient(circle,rgba(212,175,55,.10),rgba(93,115,255,.07) 40%,transparent 68%);filter:blur(16px);animation:cosmosDrift 16s ease-in-out infinite alternate}
.orbitVisual{position:relative;min-height:430px;display:grid;place-items:center}.orbitRing{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);border-radius:50%}.orbitRing.r1{width:380px;height:380px;border:1px solid rgba(212,175,55,.20);animation:orbitSpin 34s linear infinite}.orbitRing.r2{width:300px;height:300px;border:1px dashed rgba(56,224,162,.23);animation:orbitSpinReverse 24s linear infinite}.orbitRing.r3{width:220px;height:220px;border:1px solid rgba(93,115,255,.24);animation:orbitSpin 18s linear infinite}.orbitSweep{position:absolute;left:50%;top:50%;width:330px;height:330px;transform:translate(-50%,-50%);border-radius:50%;background:conic-gradient(from 0deg,transparent 0 70%,rgba(212,175,55,.26) 84%,rgba(93,115,255,.10) 93%,transparent);mask-image:radial-gradient(circle,transparent 0 30%,#000 50% 100%);animation:orbitSpin 8s linear infinite}.orbitCore{position:absolute;width:116px;height:116px;border-radius:50%;display:grid;place-items:center;text-align:center;padding:16px;border:1px solid rgba(212,175,55,.48);background:radial-gradient(circle,rgba(241,230,163,.18),rgba(212,175,55,.05) 45%,rgba(2,4,11,.96) 72%);box-shadow:0 0 0 14px rgba(212,175,55,.025),0 0 64px rgba(212,175,55,.18);color:var(--pale);font-size:.68rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;animation:corePulse 3.4s ease-in-out infinite}.orbitNode{position:absolute;width:172px;padding:13px;border-radius:14px;background:linear-gradient(180deg,rgba(7,13,25,.93),rgba(3,6,13,.86));border:1px solid var(--line);box-shadow:0 18px 46px rgba(0,0,0,.36);font-size:.78rem;color:var(--muted);animation:nodeFloat 6s ease-in-out infinite}.orbitNode b{display:block;color:var(--ink);font-size:.7rem;text-transform:uppercase;letter-spacing:.07em;margin-bottom:4px}.orbitNode.n1{left:0;top:8%;border-color:rgba(56,224,162,.3)}.orbitNode.n2{right:0;top:15%;border-color:rgba(93,115,255,.34);animation-delay:-1.5s}.orbitNode.n3{left:5%;bottom:3%;border-color:rgba(243,90,42,.3);animation-delay:-2.6s}.orbitNode.n4{right:3%;bottom:1%;border-color:rgba(212,175,55,.34);animation-delay:-.8s}
.miniConsole{margin-top:18px;border:1px solid var(--line);border-radius:16px;background:rgba(3,6,12,.52);overflow:hidden;box-shadow:0 20px 50px rgba(0,0,0,.32)}.miniConsoleHead{display:flex;justify-content:space-between;gap:12px;padding:11px 13px;border-bottom:1px solid var(--line);color:var(--pale);font-size:.68rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.miniConsoleHead span:last-child{color:var(--green)}.miniMetrics{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.06)}.miniMetric{background:#080c14;padding:12px}.miniMetric small{display:block;color:var(--muted);font-size:.65rem}.miniMetric b{display:block;margin-top:4px;color:var(--pale);font-size:.84rem}.telemetry{height:4px;background:linear-gradient(90deg,var(--gold),var(--green),var(--indigo,#5d73ff),var(--orange));background-size:200% 100%;animation:telemetry 4s linear infinite}
@keyframes orbitSpin{to{transform:translate(-50%,-50%) rotate(360deg)}}@keyframes orbitSpinReverse{to{transform:translate(-50%,-50%) rotate(-360deg)}}@keyframes cosmosDrift{to{transform:translate(-80px,90px) scale(1.05)}}@keyframes corePulse{50%{box-shadow:0 0 0 20px rgba(212,175,55,.02),0 0 86px rgba(212,175,55,.28)}}@keyframes nodeFloat{50%{transform:translateY(-8px)}}@keyframes telemetry{to{background-position:200% 0}}
@media(max-width:880px){.orbitVisual{min-height:500px}.orbitNode{width:145px}.orbitRing.r1{width:330px;height:330px}.orbitRing.r2{width:260px;height:260px}.miniMetrics{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.orbitRing,.orbitSweep,.orbitCore,.orbitNode,.cosmos::after,.telemetry{animation:none!important}}